Cold water soluble tea

A - Human Necessities – 23 – F

Patent

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A23F 3/08 (2006.01) A23F 3/10 (2006.01) A23F 3/14 (2006.01)

Patent

CA 2403396

A process for manufacturing a black leaf tea that is infusible in hot or cold water. The process involves macerating freshly plucked tea leaves, allowing them to ferment, firing the leaves to arrest fermentation and then drying them to yield black leaf tea, wherein the tea leaves are treated with a solubilising compound selected ascorbic acid, dehydroascorbic acid, 1-scorbamic acid, 5-phenyl-3,4-diketo-gamma-butyrolactone (4-phenyl-2,3-diketo-gamma- butyrolactone) or their salts and mixtures thereof in an amount that is sufficient for the black leaf tea to be soluble in water at 5 to 100 °C.

L'invention a trait à un procédé destiné à la fabrication de thé noir pouvant être infusé dans de l'eau chaude ou froide. Le procédé consiste à faire macérer des feuilles de thé qui viennent d'être cueillies, à les laisser fermenter, à les chauffer et à les sécher afin de produire du thé noir, procédé dans lequel les feuilles de thé sont traitées avec un acide ascorbique sélectionné à composant solubilisant, de l'acide déshydroascorbique, de l'acide l-scorbamique, 5-phényl- 3,4-discéto-gamma-butyrolactone (4-phényl- 2,3-dicéto-gamma-butyrolactone) ou leurs sels et des mélanges de ceux-ci en quantité suffisante pour que le thé soit soluble dans l'eau entre 5 et 100 ·C.

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